GUIRACA. 345 HaJ). North America, Southern United States from Atlantic to Pacific Oceans 1^23 Texasii27 28._MBxico2 4 24^ Nuevo Leon (Couch% Frontera (Wright^),Zoquito (Clark^), Los Nogales (Kennerly^), Tableland (Bullock% VaUey of Mexico (White % Tierra Fria, Velasco (le Strange), Mazatlan (Grayson ^^ ^^), Presidio (Forrer), Tepic (Grayson ^^), Plains of Colima (Xantus ^% Guanajuato (Buges), Jalapa (de Oca «), Cordova (SallS 26), Vera Cruz in winter (Sumichrast i^), Oaxaca (Boucard'', Fenoehio), Chihuitan, Huitzo (Sumichrast^*), Merida in Yucatan (Schott 13), Izamal in Yucatan 2% Cozumel I. (Gaumer) ; Guatemala, Cuyotenango, Choi, Salama 10, Choctum 10, Yzabal (0. S.e&F.B. G.); Nicaragua, Chinandega (Hicks), Chontales (Belt ^), Omotepe I. (Mttting 22); Costa Rica (v. Frantzius i3), Angostura (Carmiol ^^).—Cuba 20. This species visits Mexico and Central America in the winter months, spreading at that season over the whole country as far south as Costa Rica. In the island of Cuba alone of the Antilles, it is rarely found, and only in the month of April, when it arrives with other migratory birds on their passage northwards 20. On the neighbouring main¬ land in Northern Yucatan it is common from December to May 21. It is also found in the latter month in the island of Cozumel. In Guatemala G. ceerulea is pretty generally distributed throughout Vera Paz, especially in the hotter districts north of Coban 1°. We also saw it in the high ridge of mountains between Rabinal and Choi, in the valley of the Motagua, and in the coast-region of the Pacific near Cuyotenango. During the season of its stay in the south it is a dull, uninteresting species, uttering no song. It is usually met with in small flocks, which frequent trees of moderate height. Grayson, who found G. ceerulea at Mazatlan from October to April, also procured a specimen at Tepic in June. From this he inferred that it migrated to the Mexican uplands to breed 1^. Of this we have no confirmation ; and Sumichrast simply includes it as one of the migratory Finches of the State of Vera Cruz i^. In the United States G. ceerulea is a well-known bird; and Brewer gives a long account of it in the ' History of the Birds of North America' i^, from which it would appear that it seldom occurs so far north as Maine, but that in more southern States it spreads from the Atlantic to the Pacific, and that it breeds wherever found. He describes its nest, and speaks of its eggs as of a uniform light-blue colour, which readily fades on exposure to light. b. Cyanocompsa. 2. Guiraca concreta. Cyanoloxia concreta, DuBus, Bull. Ac. Brux. xxii. p. 150'. Goniaphea concreta, Scl. P. Z. S. 1856, p. 302'; 1857, p. 228'. Guiraca concreta, Scl. P. Z. S. 1859, p. 378% Scl. & Salv. Ibis, I860, p. 33%- P. Z. S. 1870, p. 836'; Salv. P. Z. S. 1867, p. 141'; 1870, p. 189'; Ibis, 1872, p. 317 '; Sumichrast, BIOL. CENTR.-AMER., Aves, Vol. I., Bccembcr 1885. 44